16-letter words containing a, c, e, p, o, i
- spectroheliogram — a photograph of the sun made with a spectroheliograph.
- spreading factor — a substance, as hyaluronidase, that promotes the diffusion of a material through body tissues
- stage production — a play or show which is performed on stage
- stamp collecting — Stamp collecting is the hobby of building up a collection of stamps.
- stamp collection — the act of collecting postage stamps as a hobby
- stonecrop family — the plant family Crassulaceae, characterized by succulent herbaceous plants and shrubs with simple, fleshy leaves, clusters of small flowers, and dry, dehiscent fruit, and including hen-and-chickens, houseleek, kalanchoe, live-forever, orpine, sedum, and stonecrop.
- storage capacity — amount of room or space
- sulu archipelago — an island group in the SW Philippines, separating the Sulawesi Sea from the Sulu Sea. 1086 sq. mi. (2813 sq. km). Capital: Jolo.
- summer complaint — an acute condition of diarrhea, occurring during the hot summer months chiefly in infants and children, caused by bacterial contamination of food and associated with poor hygiene.
- superfecundation — the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.
- superunification — a theory intended to describe the electromagnetic force, the strong force, the weak force, and gravity as a single, unified force.
- system on a chip — A system on a chip combines most of a system's elements on a single integrated circuit or chip.
- tax depreciation — Tax depreciation is depreciation in a company's internal financial records that is different from the amount that is used for the internal books.
- thermoacidophile — any organism, especially a type of archaebacterium, that thrives in strongly acidic environments at high temperatures.
- thermoplasticity — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- thrombocytopenia — an abnormal decrease in the number of blood platelets.
- to coin a phrase — You say 'to coin a phrase' to show that you realize you are making a pun or using a cliché.
- to rest in peace — If you express the wish that a dead person may rest in peace, you are showing respect and sympathy for him or her. 'Rest in peace' or 'RIP' is also sometimes written on gravestones.
- topical-sentence — a sentence that expresses the essential idea of a paragraph or larger section, usually appearing at the beginning.
- topsail schooner — a sailing vessel fore-and-aft rigged on all of two or more masts with square sails above the foresail, and often with a square sail before the foresail.
- transport police — the national police force for railways in Britain, which protects rail operators, staff and passengers
- tropic of cancer — Geography. either of two corresponding parallels of latitude on the terrestrial globe, one (tropic of Cancer) about 23½° N, and the other (tropic of Capricorn) about 23½° S of the equator, being the boundaries of the Torrid Zone. the tropics, the regions lying between and near these parallels of latitude; the Torrid Zone and neighboring regions.
- tropical cyclone — a cyclone that originates over a tropical ocean area and can develop into the destructive storm known in the U.S. as a hurricane, in the western Pacific region as a typhoon, and elsewhere by other names. Compare extratropical cyclone, hurricane (def 1), willy-willy.
- unaccomplishable — to bring to its goal or conclusion; carry out; perform; finish: to accomplish one's mission.
- unapologetically — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- upside-down cake — a cake that is baked on a layer of fruit, then turned before serving so that the fruit is on top.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- vapor channeling — Vapor channeling exists when vapor flow is distributed in an unequal way in a distillation vessel or stage.
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- videodisc player — an electronic device for playing videodiscs through a television set.
- yellow poinciana — royal poinciana.